ArticleAsian Pacific journal of tropical biomedicine2012
Diversity and frequency of Nocardia spp. in the soil of Isfahan province, Iran.
Article in Asian Pacific journal of tropical biomedicine, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 16 citations in OpenAlex.
- The global epidemiology, risk factors, and mortality prediction of nocardiosis: an easily missed opportunistic infection.Scientific reports · 2025Article
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- Targeting novel genes for simultaneous detection of five fungal and bacterial agents from BAL samples using multiplex PCR assay.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2020Article
- Molecular Characterization and Antimicrobial Susceptibilities ofMicroorganisms · 2020Article
- Comparison of three phenotypic and deoxyribonucleic acid extraction methods for isolation and Identification of Nocardia spp.Advanced biomedical research · 2014Article
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo isolate and identify Nocardia spp. from soil in different regions of Isfahan province in the center of Iran.
methodsThis study was conducted in 32 districts (16 cities and 16 villages) in Isfahan province during two years. A total of 800 soil samples from these regions were studied by using kanamycin. The isolated Nocardia species were examined by gram and acid-fast staining and were identified biochemically and morphologically. The frequency and distribution of Nocardia spp. were determined in relation to different factors such as soil pH and temperate climate.
resultsFrom 153 (19.1%) Nocardia isolates identified, Nocardia asteroids (N. asteroids) complex (45.5%) and Nocardia brasiliensis (N. brasiliensis) (24.7%) were the most frequently isolated species, followed by Nocardia otitidiscaviarum (2.2%), Nocardiopsis dassonvillei, Actinomadura actinomadura (each 1.7%) and Nocardia transvalensis (1.1%) and also unknown spp. (23.0%). In this study, most species (54.4%) of Nocardia, especially N. asteroides complex were isolated from soils with pH: 7.01-8, whereas in pH: 8.01-9 more N. brasiliensis was isolated. The most Nocardia spp. was detected from regions with semi-nomadic and temperate climate (41.1%).
conclusionsN. asteroids complex is more prevalent in Isfahan province and soil can be a potential source of nocardiosis infections. It is to be considering that climate and soil pH are involved in the frequency and diversity of aerobic Actinomycetes.
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